问题
单项选择题
蓄电池放电是将化学能转变为电能的过程，其电流流动方向为（）。
A.正极→负极→负载
B.负极→负载→正极
C.正极→负载→负极
D.负极→正极→负载
答案
参考答案：C
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蓄电池放电是将化学能转变为电能的过程，其电流流动方向为（）。
A.正极→负极→负载
B.负极→负载→正极
C.正极→负载→负极
D.负极→正极→负载
参考答案：C
| 连词组句。 |
| 1. very much, likes, Danny, my, friend, donuts →__________________________________________ 2. shorts, her, clothes, are, favourite →__________________________________________ 3. school, at, lunch, have, Tom and his classmates →__________________________________________ 4. go, do, to, how, school, you →__________________________________________ 5. does, when, your, brother, up, get →__________________________________________ |